1
當我打開我的項目,我得到的錯誤:的Servlet應該有一個映射和無法解決的Servlet
Servlet should have a mapping
和其他錯誤:
Cannot resolve Servlet
但在下面的代碼可以看到每個servlet都有它的映射:
在我的web.xml
中,我有8 servlet和servlet的每一個都有其對應的映射:
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.4"
xmlns="http://java.sun.com/xml/ns/j2ee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee
http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
<servlet>
<description>This is the description of my J2EE component</description>
<display-name>This is the display name of my J2EE component</display-name>
<servlet-name>loginservlet</servlet-name>
<servlet-class>com.sam.servlet.loginservlet</servlet-class>
</servlet>
<servlet>
<description>This is the description of my J2EE component</description>
<display-name>This is the display name of my J2EE component</display-name>
<servlet-name>changeservlet</servlet-name>
<servlet-class>com.sam.servlet.changeservlet</servlet-class>
</servlet>
<servlet>
<description>This is the description of my J2EE component</description>
<display-name>This is the display name of my J2EE component</display-name>
<servlet-name>Searchservlet</servlet-name>
<servlet-class>com.sam.servlet.Searchservlet</servlet-class>
</servlet>
<servlet>
<description>This is the description of my J2EE component</description>
<display-name>This is the display name of my J2EE component</display-name>
<servlet-name>borrowservlet</servlet-name>
<servlet-class>com.sam.servlet.borrowservlet</servlet-class>
</servlet>
<servlet>
<description>This is the description of my J2EE component</description>
<display-name>This is the display name of my J2EE component</display-name>
<servlet-name>mealselectservlet</servlet-name>
<servlet-class>com.sam.servlet.mealselectservlet</servlet-class>
</servlet>
<servlet>
<description>This is the description of my J2EE component</description>
<display-name>This is the display name of my J2EE component</display-name>
<servlet-name>mealaddservlet</servlet-name>
<servlet-class>com.sam.servlet.mealaddservlet</servlet-class>
</servlet>
<servlet>
<description>This is the description of my J2EE component</description>
<display-name>This is the display name of my J2EE component</display-name>
<servlet-name>mealdeletedservlet</servlet-name>
<servlet-class>com.sam.servlet.mealdeletedservlet</servlet-class>
</servlet>
<servlet>
<description>This is the description of my J2EE component</description>
<display-name>This is the display name of my J2EE component</display-name>
<servlet-name>mealupdateservlet</servlet-name>
<servlet-class>com.sam.servlet.mealupdateservlet</servlet-class>
</servlet>
<!-- mapping -->
<servlet-mapping>
<servlet-name>loginservlet</servlet-name>
<url-pattern>/loginservlet</url-pattern>
</servlet-mapping>
<servlet-mapping>
<servlet-name>changeservlet</servlet-name>
<url-pattern>/changeservlet</url-pattern>
</servlet-mapping>
<servlet-mapping>
<servlet-name>Searchservlet</servlet-name>
<url-pattern>/Searchservlet</url-pattern>
</servlet-mapping>
<servlet-mapping>
<servlet-name>borrowservlet</servlet-name>
<url-pattern>/borrowservlet</url-pattern>
</servlet-mapping>
<servlet-mapping>
<servlet-name>mealselectservlet</servlet-name>
<url-pattern>/mealselectservlet</url-pattern>
</servlet-mapping>
<servlet-mapping>
<servlet-name>mealaddservlet</servlet-name>
<url-pattern>/mealaddservlet</url-pattern>
</servlet-mapping>
<servlet-mapping>
<servlet-name>mealdeletedservlet</servlet-name>
<url-pattern>/mealdeletedservlet</url-pattern>
</servlet-mapping>
<servlet-mapping>
<servlet-name>mealupdateservlet</servlet-name>
<url-pattern>/mealupdateservlet</url-pattern>
</servlet-mapping>
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
</web-app>
看起來沒問題,你在用哪個IDE? –
@ammoQ,我用IntelliJ IDEA – 244boy
你用什麼IntelliJ IDEA版本? https://youtrack.jetbrains.com/issue/IDEA-151597#comment=27-1326420有幫助嗎? – CrazyCoder